Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 27
Answer: 17 + 27 = 44 -
2. Algebra Substitution
If x = 5, find the value of 7x + 8
Answer: 43 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 16, 7, 9, 4
Answer: 9